Hydraulics and Fluid Mechanics in ME The viscosity of water is __________ than that of mercury. Lower Higher Same as None of these Lower Higher Same as None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy. Coincides with Lies below None of these Lies above Coincides with Lies below None of these Lies above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is 0 to 25 m Above 250 m None of these 25 m to 250 m 0 to 25 m Above 250 m None of these 25 m to 250 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Lower than Same as Higher than None of these Lower than Same as Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice None of these Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice None of these ANSWER DOWNLOAD EXAMIANS APP